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authorRob Herring <r.herring@freescale.com>2010-06-08 07:48:08 -0600
committerGrant Likely <grant.likely@secretlab.ca>2010-07-05 16:14:25 -0600
commita7c194b007ec40a130207e9ace9cecf598fc6ac5 (patch)
treed5be1544285ab73d202b96ae20545d8d08d9bd1f /drivers/of/irq.c
parent7dc2e1134a22dc242175d5321c0c9e97d16eb87b (diff)
downloadlinux-stericsson-a7c194b007ec40a130207e9ace9cecf598fc6ac5.tar.gz
of/irq: little endian fixes
Fix some endian issues in the irq mapping OF code. Signed-off-by: Rob Herring <r.herring@freescale.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca> CC: Michal Simek <monstr@monstr.eu> CC: Wolfram Sang <w.sang@pengutronix.de> CC: Stephen Rothwell <sfr@canb.auug.org.au> CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'drivers/of/irq.c')
-rw-r--r--drivers/of/irq.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index 598454fbdd1e..623eb661c629 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -95,7 +95,7 @@ int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize,
const u32 *addr, struct of_irq *out_irq)
{
struct device_node *ipar, *tnode, *old = NULL, *newpar = NULL;
- const u32 *tmp, *imap, *imask;
+ const __be32 *tmp, *imap, *imask;
u32 intsize = 1, addrsize, newintsize = 0, newaddrsize = 0;
int imaplen, match, i;
@@ -111,7 +111,7 @@ int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize,
do {
tmp = of_get_property(ipar, "#interrupt-cells", NULL);
if (tmp != NULL) {
- intsize = *tmp;
+ intsize = be32_to_cpu(*tmp);
break;
}
tnode = ipar;
@@ -140,7 +140,7 @@ int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize,
} while (old && tmp == NULL);
of_node_put(old);
old = NULL;
- addrsize = (tmp == NULL) ? 2 : *tmp;
+ addrsize = (tmp == NULL) ? 2 : be32_to_cpu(*tmp);
pr_debug(" -> addrsize=%d\n", addrsize);
@@ -152,8 +152,9 @@ int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize,
if (of_get_property(ipar, "interrupt-controller", NULL) !=
NULL) {
pr_debug(" -> got it !\n");
- memcpy(out_irq->specifier, intspec,
- intsize * sizeof(u32));
+ for (i = 0; i < intsize; i++)
+ out_irq->specifier[i] =
+ of_read_number(intspec +i, 1);
out_irq->size = intsize;
out_irq->controller = ipar;
of_node_put(old);
@@ -223,9 +224,9 @@ int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize,
pr_debug(" -> parent lacks #interrupt-cells!\n");
goto fail;
}
- newintsize = *tmp;
+ newintsize = be32_to_cpu(*tmp);
tmp = of_get_property(newpar, "#address-cells", NULL);
- newaddrsize = (tmp == NULL) ? 0 : *tmp;
+ newaddrsize = (tmp == NULL) ? 0 : be32_to_cpu(*tmp);
pr_debug(" -> newintsize=%d, newaddrsize=%d\n",
newintsize, newaddrsize);
@@ -307,7 +308,7 @@ int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq
tmp = of_get_property(p, "#interrupt-cells", NULL);
if (tmp == NULL)
goto out;
- intsize = *tmp;
+ intsize = be32_to_cpu(*tmp);
pr_debug(" intsize=%d intlen=%d\n", intsize, intlen);